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Bug 421 - Crash importing malformed MP3 file using libmad

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This adds LAME tag handling and bad MP3 detection, but
it's pretty much a complete rewrite, so plenty of testing
is needed.
This commit is contained in:
Leland Lucius 2020-05-23 22:03:41 -05:00
parent 8ce72748bf
commit 35e88d995b
2 changed files with 793 additions and 358 deletions
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31
src/import/Import.cpp
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@ -578,24 +578,6 @@ bool Importer::Import( AudacityProject &project,
{
if (plugin->SupportsExtension(extension))
{
// If libmad is accidentally fed a wav file which has been incorrectly
// given an .mp3 extension then it can choke on the contents and crash.
// To avoid this, put libsndfile ahead of libmad in the lists created for
// mp3 files, or for any of the extensions supported by libmad.
// A genuine .mp3 file will first fail an attempted import with libsndfile
// but then get processed as desired by libmad.
// But a wav file which bears an incorrect .mp3 extension will be successfully
// processed by libsndfile and thus avoid being submitted to libmad.
if (plugin->GetPluginStringID() == wxT("libmad"))
{
// Make sure libsndfile is not already in the list
if (importPlugins.end() ==
std::find(importPlugins.begin(), importPlugins.end(), libsndfilePlugin))
{
wxLogDebug(wxT("Appending %s"),libsndfilePlugin->GetPluginStringID());
importPlugins.push_back(libsndfilePlugin);
}
}
wxLogDebug(wxT("Appending %s"),plugin->GetPluginStringID());
importPlugins.push_back(plugin);
}
@ -608,15 +590,12 @@ bool Importer::Import( AudacityProject &project,
// formats unsuitable for it, and produce distorted results.
for (const auto &plugin : sImportPluginList())
{
if (!(plugin->GetPluginStringID() == wxT("libmad")))
// Make sure its not already in the list
if (importPlugins.end() ==
std::find(importPlugins.begin(), importPlugins.end(), plugin))
{
// Make sure its not already in the list
if (importPlugins.end() ==
std::find(importPlugins.begin(), importPlugins.end(), plugin))
{
wxLogDebug(wxT("Appending %s"),plugin->GetPluginStringID());
importPlugins.push_back(plugin);
}
wxLogDebug(wxT("Appending %s"),plugin->GetPluginStringID());
importPlugins.push_back(plugin);
}
}

1120
src/import/ImportMP3.cpp
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